Home / 3,232.80-4,458.78-2,170.26

Finding the Fourth Proportional to 3,232.80, 4,458.78 and 2,170.26

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Solution

The fourth proportional to 3,232.80, 4,458.78 and 2,170.26 is: 2,993.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,232.80 : 4,458.78 = 2,170.26 : x
  2. Step 2: Convert to fraction form
    3,232.80/4,458.78 = 2,170.26/x
  3. Step 3: Cross multiply
    3,232.80x = 4,458.78 × 2,170.26
  4. Step 4: Simplify right side
    3,232.80x = 9,676,711.88
  5. Step 5: Solve for x
    x = 9,676,711.88/3,232.80
  6. Step 6: Final answer
    x = 2,993.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.